Evaluasi Penerapan Sistem Manajemen Keselamatan dan Kesehatan Kerja Berdasarkan Peraturan Pemerintah Nomor 50 Tahun 2012 dan PERMENPU Nomor 21 Tahun 2019 (Studi Kasus: PT. X) = Evaluation of Implementation within Occupational Health and Safety Management System Based on Government Regulation Number 50 of 2012 and Regulation from Prime Minister of Public Works Number 21 of 2019 (Case Study: Company X).